Staff information

Biography

Sutanay Choudhury is a member of the Scientific Data Management (SDM) Group in the Computational Science and Mathematics Division at the Pacific Northwest National Laboratory (PNNL). He is actively working on large scale graph analytics as part of the Center for Adaptive Supercomputing Software (http://cass-mt.pnnl.gov/), and Asymmetric Resilient Cyber-Security Initiative.

Research Interests

• Graph Databases: Search and knowledge discovery from streaming graphs
• Machine-learning: Bayesian Networks, Clustering, Topic-Modeling
• Domains: Cyber-security, Social Media, Sensor Networks, Natural Language Processing

Education and Credentials

• M.S., Electrical Engineering, Colorado State University, USA 2004
• B.E., Electrical Engineering, Jadavpur University, India 2000

Affiliations and Professional Service

• Association for Computing Machinery (ACM)

PNNL Publications

2013

• Halappanavar M, S Choudhury, EA Hogan, PSY Hui, JR Johnson, III, I Ray, and LB Holder. 2013. "Towards A Network-of-Networks Framework for Cyber Security." In IEEE Intelligence and Security Informatics, June 4-7, 2013, Seattle, Washington, pp. 106-108.  Institute of Electrical and Electronics Engineers, Piscataway, NJ.  doi:10.1109/ISI.2013.6578796

2012

• Bell EB, SJ Rose, and S Choudhury. 2012. Text Analysis Capability. PNNL-21871, Pacific Northwest National Laboratory, Richland, WA. 
• Chin G, Jr, A Marquez, S Choudhury, and JT Feo. 2012. "Scalable Triadic Analysis of Large-Scale Graphs: Multi-Core vs. Multi-Processor vs. Multi-Threaded Shared Memory Architectures." In Proceedings of the 2012 IEEE 24th International Symposium on Computer Architecture and High Performance Computing, (SBAC-PAD) October 24-26, 2012, New York, NY, pp. 163-170.  IEEE Computer Society, Los Alamitos, CA.  doi:10.1109/SBAC-PAD.2012.39

2011

• Chin G, Jr, S Choudhury, LJ Kangas, SA McFarlane, and A Marquez. 2011. "Evaluating In-Clique and Topological Parallelism Strategies for Junction Tree-Based Bayesian Inference Algorithm on the Cray XMT." In Proceedings of the IEEE International Symposium on Parallel and Distributed Processing Workshops and Phd Forum (IPDPSW 2011), May 16-20, 2011, Anchorage, Alaska, pp. 1710-1719.  IEEE, Piscataway, NJ.  doi:10.1109/IPDPS.2011.328
• Choudhury S, L Holder, G Chin, Jr, and JT Feo. 2011. "Large-Scale Continuous Subgraph Queries on Streams." In Proceedings of the 1st Annual Workshop on High-Performance Computing Meets Databases (HPCBD 2011), November 12-18, 2011, Seattle, Washington, pp. 29-32.  Association for Computing Machinery (ACM), New York.  doi:10.1145/2125636.2125647

2010

• Chin G, Jr, S Choudhury, LJ Kangas, SA McFarlane, and A Marquez. 2010. "Fault Detection in Distributed Climate Sensor Networks using Dynamic Bayesian Networks." In Proceedings of the 6th IEEE International Conference on e-Science (e-Science 2010), December 7-10, 2010, Brisbane, Australia, pp. 121-128.  IEEE Computer Society, Los Alamitos, CA.  doi:10.1109/eScience.2010.22
• Shah AR, JN Adkins, DJ Baxter, WR Cannon, D Chavarría-Miranda, S Choudhury, I Gorton, DK Gracio, TD Halter, N Jaitly, JR Johnson, RT Kouzes, MC Macduff, A Marquez, ME Monroe, CS Oehmen, WA Pike, C Scherrer, O Villa, BJM Webb-Robertson, PD Whitney, and N Zuljevic. 2010. "Applications in Data-Intensive Computing." In Advances in Computers, vol. 79, ed. M Zelkowitz, pp. 1-70.  Academic Press Inc., San Diego, CA. 

2009

• Chin G, Jr, A Marquez, S Choudhury, and K Maschhoff. 2009. "Implementing and Evaluating Multithreaded Triad Census Algorithms on the Cray XMT." In IEEE International Symposium on Parallel & Distributed Processing (IPDPS 2009), May 25-29, Rome, Italy.  IEEE, Piscataway, NJ.  doi:10.1109/IPDPS.2009.5161109

2007

• Choudhury S, and V Chandrasekar. 2007. "Wideband Reception and Processing for Dual-Polarization Radars with Dual Transmitters." Journal of Atmospheric and Oceanic Technology 24(1):95-101. 

Selected Publications

2008

• An open source implementation of PakBus™ protocol. S. Choudhury and M. Macduff, "Linux based software for data collection from Campbell Data Loggers" - Invention Report, 15895-E, 2008.